US3512831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seat
Assignee: Individual
•
Filing: 1964-08-24
•
Granted: 1970-05-19
•
Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Hyland C Flint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:51
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30; A47C7/14; B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/707; B60N2/7076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A SEAT COMPRISING: BASE MEANS; A RESILIENT SEAT SUPPORT MEANS EXTENDING REARWARDLY FROM SAID BASE MEANS; A RESILIENT SUSPENSION MEANS EXTENDING REARWARDLY FROM SAID BASE MEANS INDEPENDENTLY OF SAID SEAT SUPPORT MEANS; BACK SUPPORT MEANS PIVOTALLY SECURED TO SAID SEAT SUPPORT MEANS AND TO SAID SUSPENSION TICALLY SPACED POSITIONS, AND SECONDARY SUSPENSION MEANS FOR ENGAGING SAID SUSPENSION MEANS WHEN THE SEAT IS LOADED TO PROVIDE ADDITIONAL SUPPORT.
Claim 2
Dependent Claim
67 words
A SEAT COMPRISING: BASE MEANS; A RESILIENT SEAT SUPPORT MEANS EXTENDING REARWARDLY FROM SAID BASE MEANS; A RESILIENT SUSPENSION MEANS EXTENDING REARWARDLY FROM SAID BASE MEANS INDEPENDENTLY OF SAID SEAT SUPPORT MEANS; BACK SUPPORT MEANS PIVOTALLY SECURED TO SAID SEAT SUPPORT MEANS AND TO SAID SUSPENSION TICALLY SPACED POSITIONS, AND SECONDARY SUSPENSION MEANS FOR ENGAGING SAID SUSPENSION MEANS WHEN THE SEAT IS LOADED TO PROVIDE ADDITIONAL SUPPORT.
References Cited (Backward Citations)
US1767757A
Cited
US2100476A
Cited
GB464667A
Cited
US2309881A
Cited
US2346414A
Cited
US3071413A
Cited
US3059967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |